\r
#include "String.h"\r
\r
+/**\r
+ Convert language code from RFC3066 to ISO639-2.\r
+\r
+ @param LanguageRfc3066 RFC3066 language code.\r
+ @param LanguageIso639 ISO639-2 language code.\r
+\r
+ @retval EFI_SUCCESS Language code converted.\r
+ @retval EFI_NOT_FOUND Language code not found.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ConvertRfc3066LanguageToIso639Language (\r
+ IN CHAR8 *LanguageRfc3066,\r
+ OUT CHAR8 *LanguageIso639\r
+ );\r
+\r
/**\r
Determine the current language that will be used\r
based on language related EFI Variables.\r